longest.chain: find out the food chain with longest length among all food...

Description Usage Arguments Author(s) References See Also Examples

Description

Sometimes the longest chain is not unique, thus will return all candidates with longest length

Usage

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longest.chain(gemat, sp)

Arguments

gemat

standard square graph matrix

sp

the node/species you want to search

Author(s)

Youhua Chen <haydi@126.com>

References

Chen Y (2012) loop: an R package for performing decomposition of weighted directed graphs, food web analysis and flexible network plotting. Submitted.

See Also

shortest.chain, largest.weight, smallest.weight, lclw

Examples

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#mat=matrix(c(0,5,3,7,0,5,0,8,0,4,3,8,0,1,6,7,0,1,0,2,0,4,6,2,0),5,5)
#search for species 3
#lclw(gemat=mat,sp=3)
#longest chain isn't necessary to have largest weights
#largest.weight(gemat=mat,sp=3)
#longest.chain(gemat=mat,sp=3)


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